export const bar= {
    title: {
        text: '柱状图',
        x: 'left'
    },
    legend: {},
    tooltip: {},
    dataset: {
      // Provide data.
      source: []
    },

    xAxis: { type: 'category' },
    yAxis: {},
    series: [{ type: 'bar' }, { type: 'bar' }, { type: 'bar' }]

}

